Land Rover part number RTC2408 x 8. ROVER V8 PISTON RING SET (8) FOR 3.5. Here we have a set new OEM quality piston rings for the Rover 3.5 V8, suitable for both carburetted and EFI engines, with compression ratios of 8.13:1 and 9.35:1, they are not suitable for early vehicles with compression ratios of 8.25:1 or 10.5:1.
eBay